ofxBlackBox
by Patricio Gonzalez Vivo ©2010
http://www.patriciogonzalezvivo.com 

Despite the cheesy name, the goal was to make an addon for openFrameworks with a minimalist aesthetic orientation.
It is fully compatible with TUIO and objects can be dragged, resized, and rotated with two fingers. Making a good alternative as an interface to multitouch projects